Stupa No. three was designed during the time of the Shungas, who also crafted the railing all around it plus the staircase. The Relics of Sariputra and Mahamoggallana, the disciples from the Buddha are reported to are actually put in Stupa No. 3, and relics packing containers have been excavated https://ragingbookmarks.com/story18161736/ancient-temples-an-overview